Leaf Collection Project. Biology II and Honors Biology II. Due September 29 th

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1 Leaf Collection Project Biology II and Honors Biology II Due September 29 th Objective: Leaf collecting is a good way to learn the trees native to your area. Collecting leaves will also help you to learn leaf margins, shapes, and venations and how to use different taxonomic keys to identify trees. Materials needed: leaf press or old phone book black ink pen pencil small notebook scissors clear tape Card stock paper, art paper, poster board, etc. for mounting labels taxonomic keys (Forest Trees of Illinois) ; $12.00 for purchase Getting started with your collection: 1. Study the shapes, margins, venations, tips, bases, etc. in your Forest Trees of Illinois $12.00 (checks payable to CHS) 2. Learn to distinguish simple leaves from compound leaves and conifers from deciduous trees. 3. Learn to distinguish a tree from a shrub. 4. Gather your collecting materials together - press, pencil, scissors, & small notebook. 6. Always get permission before collecting leaves on someone else's property. 7. Be sure to collect at least 3 of each type of leaf so both the bottom & top side of the leaf can be shown in your collection. 8. Place leaves in your press immediately after collecting them so they do not start to dry out and wrinkle. 9. Record the name of each leaf, date collected, and place collected in your notebook as you collect. Also record tree characteristics such as shape of the crown, color and type of bark, etc.

2 Collecting: 1. Remember to collect at least three of every type of leaf! 2. Carefully remove an entire leaf, not a leaflet, from the tree, and place this in your press between newspaper layers. 3. If leaves are damaged or torn, don't use them because you will not receive full credit. 4. Make sure that none of the leaf parts extend beyond the edge of the press. 5. You may also collect &press seeds and/or fruits from some trees if they fit in your press. 6. Leave the leaf in the press for 3-5 days depending on its thickness and moisture content. Remember to change the newspaper when needed. 7. Keep the press in an area where air is circulating (in front of a fan). Labeling and identifying: 1. Obtain printed labels from your teacher. 2. Use only black ink to write labels, & do not mark out or white out mistakes on the labels; rewrite them. 3. Use taxonomic keys to identify each leaf, and include both the scientific & common name of the tree on the label. 4. Use you key to give a description of the tree, not the leaf. 5. Research uses for the tree, its fruit, etc. and record on your label.- Just need one use. Mounting leaves: 1. Use pieces of white card stock, cut poster board or art paper to mount your leaves. Make sure all sheets are uniform in size! (The size of your sheets will be determined by your largest leaf.) 2. Use glue to adhere two leaves to each page --- one showing the upper surface of the leaf and the other showing the underside of the leaf. 3. Each page should have only one type of leaf on it. 4. Arrange the leaves so they do not overlap each other and so there is room to glue the label in the lower right hand corner. The leaves should look nice on the page. 5. On compound leaves, mount the topside of the complete leaf and then mount the underside of a single leaflet. Make sure the leaflet comes from another leaf to receive credit! 6. Use tape or glue to adhere the completed label in the lower right hand corner of the page. 7. Once the pages are dry, lay them in the correct order (alphabetical by scientific name), and then number the pages in the lower right corner with black ink. 8. Make a stiff front and back cover for your collection from poster board, cardboard, wood, etc. or a 3-ring binder Include the following items on your cover:

3 title (Example: Tree Identification Through Leaves) your complete name date collection turned into teacher class period subject teacher's name 9. Use ribbon, string, etc. to bind the pages ( a 3ring binder is fine, too) together or assemble the collection in a scrapbook. DO NOT COVER THE LEAVES WITH PLASTIC!!! Required leaves- any leaf that is found in either book NOTE: Leaves must be in the Forest Trees of Illinois book or Trees of Illinois= NO EXCEPTIONS! 1. Refer to your Forest Trees of Illinois book and Trees of Illinois 2. Leaves must be in perfect (or close to) condition without damage or tears. 4. No fruit trees such as apple, pear, orange, peach, etc. are allowed (unless in book) 5. Place the following leaves in alphabetical order by Scientific Name: Honors Biology II will collect 50 leaves. Biology II will collect 30 leaves. Table of Contents should be typed with scientific name, common name and page number in album. Example: Acer rubrum, red maple 1 Need some help? Herbarium Collection Other Web sites:

4 Hillview School, Vernon, British Columbia s web site with tree identification section Virginia Tech s outreach web site on forestry; tree identification section Familyeducation.com page on Flower and leaf press made form an old phone book. Remember Labels must be in Print Labels can be typed or use Black Ink Labels will be provided or found on website (Shared Drive) Place label on bottom right hand corner with a page number Fall 2017 Scientific Name Common Name Native/Introduced Coniferous/Deciduous Simple/Compound/NA Alternate/Opposite/NA Leaf Shape Leaf Margin LEAF IDENTIFICATION Tree Use Grading: Honors Biology II Biology II Label Leaf condition Table of contents (typed) and Alphabetical Order Title Page 5 5 TOTAL POINTS

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